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  • Title: Concomitant administration of uracil-tegafur and leucovorin during adjuvant radiotherapy for locally advanced rectal cancer.
    Author: Atasoy BM, Abacioglu U, Dane F, Ozgen Z, Yumuk PF, Ozden S, Akgun Z, Mayadagli A, Basaran G, Turhal S, Sengoz M.
    Journal: J BUON; 2007; 12(2):203-8. PubMed ID: 17600873.
    Abstract:
    PURPOSE: We report the feasibility and toxicity profile, and the impact on local control, disease-free survival and overall survival rates of our study which consisted of postoperative concurrent chemoradiotherapy, followed by adjuvant chemotherapy using uracil-tegafur (UFT)/leukovorin (LV) in locally advanced rectal cancer patients. PATIENTS AND METHODS: Thirty-one patients operated for rectal adenocarcinoma (pT3/4 or N+) were enrolled onto the study. Twenty-three patients were males and 8 females with median age 62 years (range 21-85). Radiotherapy (RT) to the pelvis with conformal technique and individual blocks was delivered within 8 weeks following surgery. Total RT dose was 50.4 Gy and was given in a conventional single fraction of 1.8 Gy per day. Chemotherapy was administered concomitantly and consisted of UFT (300 mg/m(2)/day) and LV (30 mg/day) during RT-days. Following chemoradiotherapy, chemotherapy alone was administered for 4 cycles in the same dose for 28 days every 35 days. RESULTS: No lethal toxicity occurred. All patients completed the scheduled RT. Concurrent chemotherapy continued in 22 (70.9%) patients until the end of RT. Seventeen (54.8%) patients completed the whole concurrent chemoradiotherapy and adjuvant chemotherapy as planned. No grade 3-4 stomatitis/mucositis or haematological toxicities were observed during the whole treatment period. During concomitant therapy grade 1-2 toxicities were: nausea/vomiting 60%, dyspepsia/gastric pain 39%, diarrhea 39% and dysuria 10%, whereas grade 3 nausea and diarrhea occurred in 6% and 19%, respectively. Median follow-up was 22 months. Two-year local control, disease-free survival and overall survival rates were 96.3%, 72.3% and 83.2%, respectively. CONCLUSION: The acute toxicity profile of UFT/LV, local control, disease-free survival and overall survival in the concurrent chemoradiotherapy setting for operated, locally advanced rectal cancer seem comparable with the standard 5-fluorouracil (5-FU)-based therapies.
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